Totterdell, Anne, author
Library Association Publishing, 2000
Buku Teks
Totterdell, Anne, author
Facet, 2005
Buku Teks
Rubin, Richard, 1949-, author
Neal-Schuman, 2016
Buku Teks
Crawford, John, author
Aslib, 2000
Buku Teks
Blake, Monica, author
Aslib , 1999
Buku Teks